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Mr. Dubey • 100.64K Points
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Q. The process in which steel is heated 20? to 40?C below the lower critical temperature, held there for a prolonged period and then allowed to cool slowly in the furnace is known as

  • (A) Annealing
  • (B) Tempering
  • (C) Normalising
  • (D) Spheroidising
  • Correct Answer - Option(D)
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